---
title: overlay
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsview/definitionpresentationtype/overlay
---

# overlay

A possible value of the presentationType dictionary key that produces a small overlay window at the string location,

## Declaration

```swift
static let overlay: NSView.DefinitionPresentationType
```

## See Also

### Presentation Values

- [dictionaryApplication](appkit/nsview/definitionpresentationtype/dictionaryapplication.md)